In 1969, the U.S. government officially announces it will stop investigating UFOs, but declassified documents reveal that multiple government agencies have been hiding important UFO sightings for decades.

Alien abductions are the only types of encounters in which eyewitness testimony can reveal details about the inside of UFOs. Details that can help us understand how aliens live and what they want from the human race.

Rapid advancements in science and technology have given mankind unprecedented access to distant galaxies that could harbor life. And some scientists believe that to find alien life we need look no further than our own backyard.

In order to survive mankind must find a way to navigate the galaxy. Alien encounters have offered a possible glimpse into the secrets of interstellar flight, but how would extraterrestrials know how to navigate the vast regions of space?

In the spring of 1952, UFO sightings go off the charts. For years, the U.S. government has told the postwar public that UFOs do not exist, but behind the scenes, U.S. Air Force officials are divided.

Since the early 1960s, we've experimented with how to travel off planet Earth. Many experts believe America has operated a secret Space Force for decades, with ultra high-tech ships designed for missions beyond Earth's orbit.

If aliens have visited Earth, why are they here and what are they truly after? Investigations have revealed the possibility that aliens are interested in experimenting on not only the human body, but the human mind as well.

The connection to mysterious men in black, the failure of missile tests in 1964 and a series of same year photographs of a man's daughter in which one of the frames mysteriously appears a man in a spacesuit is examined.

Between 1981 and 2011, NASA's Space Shuttles flew 135 missions. The Space Shuttle cameras, manned and unmanned, have recorded astounding footage of UFOs that many experts find almost impossible to explain.

Photographic evidence of Unidentified Flying Objects helped usher in the modern UFO phenomenon. As the world continues to evolve into the digital age, more and more people are capturing images in the sky that they are unable to explain.

Some scientists believe the survival of mankind hinges upon the revolutionary science of Artificial Intelligence. Biological life may just be an evolutionary stepping-stone in a universe dominated by Artificial Alien Intelligence.

When citizens of Los Angeles started witnessing UFO's, they weren’t entirely surprised. After all, this had happened before, in 1942. But why do so many UFO events take place in LA? The reason just might be right under our noses…and underwater.

In 1947, a series of UFO sightings triggers an unprecedented analysis that propels the UFO phenomenon on to the world stage. We investigate how the U.S. Air Force comes to the stunning conclusion that UFOs may not be from Earth.

UFO sightings happen almost every day. But in the court of public opinion the most credible witnesses come from law enforcement. Join us as we investigate the most important police sightings of UFOs.

A mysterious book, "The Blue Planet Project" has surfaced, outlining decades of cooperation between the U.S. military and alien forces on earth as well as a massive government cover-up to hide these visitors from the world.

Where do UFOs come from? Some people believe they're from distant galaxies, wormholes, or other planets within the Milky Way. Join us as we investigate the existence of UFOs and determine the possibility that they may be from Earth.

Scientists have never been closer to proving that life once lived on Mars. But is it still there? And if so, how has it evolved? Join us as we investigate the red planet and the possibility that alien life may live within our own galaxy.

Aliens have been trying to make contact with mankind for millennia. Now for the first time, one of those messages has been decoded and we will share that message with the world.

Details from art works, miraculous visions and Vatican investigations and archives are used to support a theory that the Roman Catholic Church has concealed its knowledge of extraterrestrial life.

The Great Pyramids. The Sphinx. Egypt was a civilization millennia ahead of its time.

Since the Jet Age, fighter pilots have been scrambled to intercept UFOs in our skies, but what happens when pilots are sent a Shoot Down Order and can't complete their mission?

For decades, governments around the world have investigated UFO sightings, often times under an umbrella of secrecy. How are these top-secret studies conducted? Who is called upon to analyze the evidence?

Adolf Hitler set out to conquer the world and he nearly succeeded. But did the Nazis have help from an extraterrestrial source? We'll tell you what Hitler may have been hiding ... and where it is now.

As the Curiosity Rover searches Mars for signs of life, the questions becomes: Could Mars have been first? We'll explore the shocking possibility that sentient life began on Mars and traveled here.

For centuries, people have reported seeing mysterious figures at the scenes of UFO sightings around the world, and video evidence may prove it.